The Cylinder,actuating,linear, cataloged under National Stock Number 3040-01-415-6633, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-415-6633 |
| Primary Part Number | 585-6406616-AY94 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Diameter | 7.250 INCHES NOMINAL IN |
| Mounting Facility Thread Class | 2B |
| Mounting Facility Circle Diameter | 6.000 INCHES NOMINAL IN |
| Body Outside Diameter | 4.510 INCHES NOMINAL IN |
| Outside Diameter | 4.510 INCHES NOMINAL ALL PORTS IN |
| Mounting Provision Arrangement Style | SIX HOLE BOLT CIRCLE |
| Mounting Facility Thread Quantity Per Inch | 16 |
| Mounting Facility Thread Length | 0.375 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.314 INCHES NOMINAL IN |
| Port Location and Quantity | 4 CENTER SECTION |
| Port Style | PLAIN ALL PORTS |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 3.750 INCHES NOMINAL IN |
| Mounting Type and Location | FLANGE CYLINDER HEAD END |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED MOUNTING HOLES AND UNTHREADED MOUNTING HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DF2081-237#AY94 | Naval Sea Systems Command (USA) |
| 585-6406616-AY94 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6406616 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-415-6633 is a Cylinder,actuating,linear, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-415-6633 has 2 manufacturer part numbers on file: DF2081-237#AY94 (Naval Sea Systems Command), 585-6406616-AY94 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-415-6639, 4820-01-415-7342. Verify interchangeability with system specifications before substitution.
Key specifications for 585-6406616-AY94: Mounting Facility Diameter: 7.250 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B; Mounting Facility Circle Diameter: 6.000 INCHES NOMINAL IN; Body Outside Diameter: 4.510 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.